Four of the top smiths from around the world compete in an international championship, with the best two crafting a Spadroon in the final.

At the Bill Moran School of Bladesmithing, three top smiths are put through the ultimate test. After two brutal challenges, only one will get the chance to compete for the grand prize.

As the team makes contact with the elusive tunnel under the Garden Shaft, an exciting new scientific theory surfaces which suggests a connection between Nolan's Cross and the Knights Templar.

Total Wine Domination: Jarrod winds up with some highly-unusual art at auctions in Mission Viejo. Meanwhile, Barry's accountant struggles to stop him from overspending.

The Storage Buyer In You: Darrell and Ivy go head to head at locker auctions in Lancaster. Jarrod and Brandi wind up with some DJ gear. But will it be up to scratch?

In Placentia, Rene and Casey find a locker full of luggage, Barry buys a unit that makes him question his place in the auction game and Darrell discovers dental equipment.

Ton and Allen are made to feel unwelcome at a silent auction in New Jersey. They uncover a skeet throwing machine from the 1960s, and a vintage vehicle with some real horsepower.

Allen and Ton go head-to-head with a trash-talking auction buyer. They uncover a 19th century rifle and a mechanical bowling pinsetter from the early 1960s.

Promissory Pawn: A promissory note from the Mexican-American war comes into the shop, while Corey and Chum check out a water-propelled jetpack.

Chum brings out his inner warrior when a Japanese samurai mask hits the counter and a Norman Rockwell autograph comes into the shop.

Quawntay Adams gets caught up in a marijuana bust and is sentenced to prison - but when he learns he is going to be a father, he determines to escape.

Rick and Chum get fired up when they head to the desert to shoot the shop's newest firearm. But their canon feels quaint when they spot the big guns - and Rick might just explode from jealousy.

After returning to LA, Ton and Allen butt heads with a familiar old foe. They discover a driving range golf ball picker vehicle and one of the most accurate rifles ever made.

Ton and Allen face-off against a buyer with shady bidding tactics. The guys find a custom-built monowheel and a rifle designed to ward off grave robbers in the early 19th century.

Four of the top smiths from around the world compete in an international championship, with the best two crafting a Spadroon in the final.

Rick and Chum get fired up when they head to the desert to shoot the shop's newest firearm. But their canon feels quaint when they spot the big guns - and Rick might just explode from jealousy.

The guys battle it out with a fierce former employee. When all hope seems lost, a set of monster truck tyres and a mystery box are their last chance to come out on top. (Series 4,

Ton and Allen are facing their biggest challenge yet when their two old rivals join the forces.

Allen heads to an auction with Elle, while Ton and Big Sis revamp the shop to help bring in more customers. Allen unearths a Ouija board and a set of antique basketballs. (Series 4,

Cursed objects are said to be littered all around the world, but are these curses the product of over-active imaginations?

Darrell gets himself banned from one of the auctions, Ivy beats the competition with a cool machine and Barry goes undercover - but will he be able to keep up the act?

The buyers go to Moreno Valley, Calif.; Darrell tries to play nice; Barry Weiss lands an uncertain score.

Super Bros. Shuffle: Jarrod and Brandi land an item in Costa Mesa that could be worth $25,000. Darrell is onto a winner too when he scores some Super Mario memorabilia.

At the Bill Moran School of Bladesmithing, three top smiths are put through the ultimate test. After two brutal challenges, only one will get the chance to compete for the grand prize.

Corey has an appetite for a deal when a Guns N' Roses collector box rocks into the shop. But will Corey end up in Paradise City, or out in the cold November rain?

As the team makes contact with the elusive tunnel under the Garden Shaft, an exciting new scientific theory surfaces which suggests a connection between Nolan's Cross and the Knights Templar.

Count down the top ten alien craft, from V-shaped objects to orbs of light to flying saucers.

Quawntay Adams gets caught up in a marijuana bust and is sentenced to prison - but when he learns he is going to be a father, he determines to escape.

Rick tackles a football helmet signed by 28 Heisman Trophy winners, while Corey gears up to buy a devastatingly cool "Transformers" toy for the shop.

Ton and Allen hit the road for Nashville, where they rumble with a band of tough, high-bidding bikers. The day explodes when the guys discover a 37mm anti-tank gun and a cowboy's rodeo saddle.

Big Sis drops some bad news as the guys clash with Carolyn at an auction in Long Beach. Ton and Allen unearth a Native American tomahawk, a dunk tank and a rare gun. (Series 4,

Ton and Allen get taken down by their fiercest opponent, CJ, but a twist of fate keeps the guys in the game. Their accountant has some shocking news.

Riders on the Pawn: Among the novel objects brought into the shop this time are a yearbook featuring Jim Morrison, and a signed buoy from the TV show Baywatch.

The Pawn Stars check out more curios, knick-knacks and memorabilia as the ever-popular series returns for a 23rd season.

The Brotherhood uncovers a new structure under the swamp and a new theory suggests the Vikings worked with the Templars to help them get to Oak Island.

In the 21st century, UFOs have gone from fringe science to mainstream obsession. Are we getting closer to understanding the strange events in the sky?

Four smiths salvage steel from a railroad track in order to make their signature big blades, while two more smiths forge a monstrous seven-foot blade.

At the New Agrarian School in Bigfork, Montana, three top smiths are tested like never before. After two gruelling challenges, only one will go through to the the finals.

The Mutual UFO Network is devoted to the scientific investigation of UFOs. With more than five decades of investigations, MUFON's database could contain proof.

William Shatner continues his quest to find answers to the unexplainable, this week looking at satanic encounters.

Discover unidentified objects witnessed by military pilots and a potential alien home in the darkness of space.

Explore whether the Gods of Greece including Zeus, Apollo and Poseidon, were actually extra-terrestrial visitors to Earth.

At the Bill Moran School of Bladesmithing, three top smiths are put through the ultimate test. After two brutal challenges, only one will get the chance to compete for the grand prize.